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IT System Administrator

Job in Mississauga, Ontario, Canada
Listing for: World Vision Canada
Full Time position
Listed on 2026-07-19
Job specializations:
  • IT/Tech
    Systems Administrator, Cybersecurity, Cloud Computing: Infrastructure & Operations, Network Administrator
Job Description & How to Apply Below
Are you looking for more than a job? At World Vision Canada we offer challenging careers that change the lives of children all over the world and it will change yours too. Come and be part of a team of 400 Canadians with a vision for the world:
Life in all its fullness for every child.

You will experience Christian faith in action helping to make real and lasting change in the lives of the world’s most vulnerable children. Join the World Vision Canada team and be part of a powerful and effective force for good:
For Children. For Change. For Life.

Position
IT System Administrator

Reports to
Manager, Technology Services

Position Term
Full Time Permanent

Primary Location
Mississauga, Ontario, Canada

Workplace Type
Hybrid

Job Purpose
We are seeking an experienced and motivated IT System Administrator to join our team. The ideal candidate will have a strong background in hybrid identity (Active Directory and Microsoft Entra ), Microsoft 365, endpoint management, virtual machines, storage area networks (SAN), enterprise networking and security, and cloud services, with experience in the Scaled Agile Framework (SAFe). The IT System Administrator, Technology Services is an integral member of the Technology Services team and is responsible for the technical operations of key World Vision Canada IT systems, spanning on‑premises infrastructure and Microsoft 365 / Azure cloud services.

A problem‑solver at their core, they will work directly with other functional areas to maintain and optimise the integrations of the ecosystem and the data that passes from one system to another. As an IT System Administrator, you will ensure the smooth, secure, and efficient operation of our organization’s IT infrastructure while achieving key performance metrics. This is a hybrid role, largely remote, requiring approximately 20% of time spent in office.

The ideal candidate is located in the GTA.

Responsibilities

Manage and support hybrid identity across Active Directory and Microsoft Entra , Windows Server 2016–2022 environments, and Exchange 2016 / Exchange Online in a hybrid configuration.

Administer and support endpoint management systems, including Microsoft Intune, Entra e management, Autopilot, and Group Policy.

Manage and maintain virtual server environments (VMware and Azure), including installation, configuration, and maintenance.

Manage, monitor, and optimise performance of storage area networks (SAN) and cloud storage. Maintain backups and disaster recovery systems, including regular recovery validation testing.

Assist with the day‑over‑day operations of the organization’s cybersecurity tooling, including Microsoft Defender XDR (EDR), Darktrace, Microsoft Purview, conditional access, MFA, and patching.

Administer network and perimeter infrastructure, including Forti Gate firewalls, Forti Client EMS, SSL‑VPN with SAML/Entra SSO, and Cisco Meraki switching and wireless.

Provide support and administration for cloud applications, including Microsoft 365, email, One Drive, SharePoint, and Teams.

Provide support for corporate applications, including installation, maintenance, and troubleshooting.

Maintain the security and integrity of the organization’s IT systems and data.

Ensure compliance with organizational standards and regulations, such as PCI DSS.

Collaborate with other teams to optimise and improve the efficiency of systems and applications, using the Scaled Agile Framework (SAFe) as a guide.

Stay up-to-date with emerging technologies and recommend solutions that align with the organization’s goals and objectives.

Track and report on key system performance metrics, including uptime, response time, and customer satisfaction.

Support projects to optimise current system processes to scale for growth, efficiency, and automation.

Update and maintain system architecture diagrams and documentation. Develop and implement IT policies and procedures.

Equip Tier 1 and Tier 2 support staff with the information required to handle entry‑level system tickets.

Deploy production updates during scheduled maintenance windows, largely after‑hours. Updates include, but are not limited to, .NET (IIS), CRM, AD schema updates, and firewall/network changes.

Col…
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